Presentation Linux Server setup Advance Networking

Presentation Linux Server setup Advance Networking

• 1.
  Welcome to our Presentation
• 2.
  Linux Networking SERVER:RHEL 7.1 Xubisoft.Ltd
• 3.
  Content Creator Tariqul Islam----------IT specialist
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  Introduction to Linux& UNIX Linux file permission Network Management Yum Server Configure SSH Server configure FTP server Configure DHCP server configure DNS server configure Mail Server configure CONTENT
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  YUM SERVER CONFIGURE
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   YUM -RPM Installation:  -----------------  => Manually (rpm command)  => Automatically (YUM Server)  Yum Server Configure:  ---------------------  => Requirments:  ------------  => DVD (centos/redhat)  => 5GB Free Space in "/var"  => Default FTP Dir: "/var/ftp/pub"  => Packages:  1) createrepo - server (already installed)  2) vsftpd (for yum client)
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   Step 01:Check free space "/var"  ======= ------------------------  [root@desktopX ~]# df -HT  Filesystem Type Size Used Avail Use% Mounted on  /dev/sda6 ext4 16G 7.1G 7.7G 48% /  Note: By default "/var location under "/" partition"  Step 02: Mount DVD under "/mnt"  ======= -------------------------  [root@desktopX ~]# mount /dev/sr0 /mnt ; here "sr0" is dvd device  mount: block dvice /dev/sr0 is write-protected, monting read-only  [root@desktopX ~]# cd /mnt  [root@desktopX mnt]# ls  [root@desktopX mnt]# cd Packages  [root@desktopX Packages]# ls ISO Mount: ---------- [root@desktopX ~]# mount -t iso9660 /root/Desktop/C(Tab- .iso) /mnt [root@desktopX ~]# cd /mnt [root@desktopX mnt]# ls [root@desktopX mnt]# cd Packages [root@desktopX Packages]# ls Step 03: Dependency Install ======= ------------------- [root@desktopX Packages]# rpm -ivh vsftpd- (Press...Tab....from keyboard [root@desktopX Packages]# systemctl restart vsftpd.service [root@desktopX Packages]# systemctl enable vsftpd.service
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   [root@desktopX Packages]#setenforce 0  [root@desktopX Packages]# systemctl stop firewalld  [root@desktopX Packages]# systemctl disable firewalld  Step 04: RPM copy to "/var/ftp/pub"  ======= ---------------------------  [root@desktopX Packages]# cd /var/ftp/pub  [root@desktopX pub]# ls  [root@desktopX pub]# rm -rf *  [root@desktopX pub]# ls  [root@desktopX pub]# cd /mnt  [root@desktopX mnt]# cp -rv Packages /var/ftp/pub  Note: All "Packages" will be copy to "/var/ftp/pub". If old  rpm exist, please delete first.  Step 05: yum server confiugraiton file  ======= ------------------------------  [root@desktopX mnt]# cd /etc/yum.repos.d  [root@desktopX yum.repos.d]# ls  [root@desktopX yum.repos.d]# mkdir old [root@desktopX yum.repos.d]# ls [root@desktopX yum.repos.d]# mv * old [root@desktopX yum.repos.d]# ls old [root@desktopX yum.repos.d]# vim server.repo [server] name = yum server baseurl = file:///var/ftp/pub/Packages enabled = 1 gpgcheck = 0 :x (save and exit) [root@desktopX yum.repos.d]# createrepo -v /var/ftp/pub/Packages [root@desktopX yum.repos.d]# yum clean all ; Previous yum server cache clear [root@desktopX yum.repos.d]# yum list all ; list of available rpm current repo
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  SSH SERVER CONFIGURE
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   Step 01:RPM Query, install  ---------------------------------  [root@ssh-serverX ~]# rpm -qa | grep openssh-server  openssh-server-6.4p1-8.el7.x86_64  [root@ssh-serverX ~]# yum install openssh* -y [if not found]  [root@ssh-serverX ~]# systemctl restart sshd.service  [root@ssh-serverX ~]# systemctl enable sshd.service  [root@ssh-serverX ~]# systemctl status sshd.service  [root@ssh-serverX ~]# ifconfig  (Optional): Temporary IP Configure:  ----------------------------------  ifconfig eth0 172.25.11.200+X netmask 255.255.255.0  SSH Client:  -----------  => Linux Client (defautl installed)  => Windows Client (putty, ssh client)  > putty > ssh > ip > port (22) Testing: ======= Move to DesktopX ---------------- > ping 172.25.11.200+X (ssh server) SSH Login with Root User -------------------------------- - [root@desktopX ~]# ssh root@172.25.11.200+X Are you sure you want to continue connecting (yes/no)? yes root@172.25.11.200+X's password: ****** (remote PC) [root@ssh-serverX ~]# who [root@ssh-serverX ~]# useradd user1 [root@ssh-serverX ~]# passwd user1 : 123 : 123 [root@ssh-serverX ~]# exit
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  FTP SERVER CONFIGURE
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   FTP Server: ============  FTP - File Transfer Protocol  Port: 20 (Data),21 (Control)  Protocol: TCP  Packages: vsftpd  Daemon: vsftpd  Configuration file: /etc/vsftpd/vsftpd.conf  Directory location: /var/ftp/pub/* FTP user: -------------- 1) Anononymous user: guest user (no password) 2) Authentication FTP user: FTP group user 3) local user (local user of server crated by root)
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   FTP Access: -------------  1) Web Based: ftp://ftp.example.com or ftp://192.168.11.X  2) Command Based: # ftp 172.25.11.200+x  3) Software Based: Filezilla, FTPPRO  username:xxxxs  passwword: ****  port: 21 Command Mode: Anonymous Login (Client) ------------------------------------- [root@desktopX ~]# yum install ftp -y [root@desktopX ~]# ftp 172.25.11.200+x ; X is server IP Connected to 172.25.11.200+x (172.25.11.200+x). 220 (vsFTPd 2.2.2) Name (172.25.11.200+x:root): anonymous password: ***** (any) ftp> help ftp> dir ftp> cd pub ftp> ls ftp> bye
• 14.
  THANK YOU ALL
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  THE END